Shi, Shuiqin
Qi, Zhao
Gu, Bintao
Cheng, Baoyan
Tu, Jian
Song, Xiangjun
Shao, Yin
Liu, Hongmei
Qi, Kezong https://orcid.org/0000-0002-4568-3664
Li, Shaowen
Article History
Received: 9 August 2019
Accepted: 23 October 2019
First Online: 6 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study was performed in accordance with the Chinese Laboratory Animal Administration Act of 1988. Before the experiments, the research protocol was reviewed and approved by the Research Ethics Committee of Anhui Agricultural University. Permission was obtained from all managers of the chicken farms studied before the samples were collected.